package jjn.acwing.java_basic;

import java.util.Scanner;

/**
 * @author Jjn
 * @since 2023/9/5 23:24
 */
public class Acwing767 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNext()) {
            String line = scanner.nextLine();
            for (char c : line.toCharArray()) {
                if ((c >= 'a' && c <= 'z')) {
                    c = (char) ((c - 'a' + 1) % 26 + 'a');
                } else if (c >= 'A' && c <= 'Z') {
                    c = (char) ((c - 'A' + 1) % 26 + 'A');
                }
                System.out.print(c);
            }
        }
    }
}
